
#web_bg {
  position:fixed;
  top: 0;
  left: 0;
  width:100%;
  height:100%;
  min-width: 1000px;
  z-index:-10;
  zoom: 1;
  background-color: #ccc;
  background-repeat: no-repeat;
  background-size: cover;
  -webkit-background-size: cover;
  -o-background-size: cover;
  background-position: center 0;
}
.iframe_case {
  position:fixed;
  top: 0;
  left: 0;
  width:100%;
  height:100%;
  min-width: 1000px;
  z-index:-10;
  zoom: 1;
  background-color: #fff;
  background-repeat: no-repeat;
  background-size: cover;
  -webkit-background-size: cover;
  -o-background-size: cover;
  background-position: center 0;
  z-index:9999;
}

.title {
	position:absolute;
	float:left;
	margin-top:250px;
	color: #333;
	padding: 1rem;
	font-size: 2rem;
	font-weight: 800;
	position: fixed;
	width: 100%;
	text-align: center;
	text-shadow: grey 0px 0px 0.5rem;
}
.error {
	position:absolute;
	float:left;
	bottom:50px;
	margin-bottom:50px;
	color: red;
	padding: 1rem;
	font-size: 1rem;
	position: fixed;
	width: 100%;
	text-align: center;
}

#logo {
	height:60px;
}
#select {
	min-height: 100px;
	width: 60%;
	top: 70%;
	left: 20%;
	font-size:28px;
	position: absolute;
	padding: 20px 20px;
	text-align: center;

}

.comm_button  {
	min-height: 35px;
	width: 200px;
	color:#fff;
	background-color: #03a9f4;
	font-size:28px;
	border: 2px solid #03a9f4;
	position: relative;
	padding: 20px 20px;
	border-radius:15px;
}
.comm_button:hover  {
	min-height: 35px;
	width: 200px;
	color:#fff;
	background-color: #0275d8;
	font-size:30px;
	border: 2px solid #0275d8;
	position: relative;
	padding: 20px 20px;
	border-radius:15px;
	box-shadow: blue 0px 0px 8px;
}

.setting {
	position:fixed;
	left: 2.5rem;
    bottom: 2.5rem;
}

.set_button {
	position:fixed;
	bottom:-30px;
	right:50%;
	background:#03a9f463;
    cursor: pointer;
    outline: none;
    border: none;
    border-radius: 50%;
    padding: 0.2rem;
    width: 50px;
    height: 50px;
	z-index:9999;
	box-shadow: #03a9f4 0px 0px 8px;
}
#seturl {
	position:fixed;
	bottom:30px;
	left:20px;
	background:#eee;
    cursor: pointer;
    outline: none;
    border: none;
    border-radius: 50%;
    padding: 0.2rem;
    width: 80px;
    height: 80px;
	z-index:9999;
}

}
#check_button {
	position:relative;
	margin-top:30px;
	width:20%;
	left: 40%;
}